Home / 1,248,361.60-1,872,542.40-776,502.40

Finding the Fourth Proportional to 1,248,361.60, 1,872,542.40 and 776,502.40

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Solution

The fourth proportional to 1,248,361.60, 1,872,542.40 and 776,502.40 is: 1,164,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,361.60 : 1,872,542.40 = 776,502.40 : x
  2. Step 2: Convert to fraction form
    1,248,361.60/1,872,542.40 = 776,502.40/x
  3. Step 3: Cross multiply
    1,248,361.60x = 1,872,542.40 × 776,502.40
  4. Step 4: Simplify right side
    1,248,361.60x = 1,454,033,667,701.76
  5. Step 5: Solve for x
    x = 1,454,033,667,701.76/1,248,361.60
  6. Step 6: Final answer
    x = 1,164,753.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.